diff --git a/business/partner/delivery/mtps/waybill.go b/business/partner/delivery/mtps/waybill.go
index e27913b65..091b5f737 100644
--- a/business/partner/delivery/mtps/waybill.go
+++ b/business/partner/delivery/mtps/waybill.go
@@ -115,7 +115,7 @@ func (c *DeliveryHandler) pushToGy(waybill *model.Waybill, msg *mtpsapi.Callback
 		params["mt_peisong_id"] = msg.MtPeisongID
 		params["courier_name"] = msg.CourierName
 		params["delivery_id"] = msg.DeliveryID
-		params["sign"] = msg.Sign
+		params["sign"] = "ec61c8d88a1f864cc2cb1b875177fe1fb1402f05"
 		params["appkey"] = msg.AppKey
 		params["order_id"] = msg.OrderID
 		params["courier_phone"] = msg.CourierPhone